FindingKing 11 Acrylic Riser Jewelry Display Showcase Stands 2 Acrylic risers that each measure approximately 5 1/4" x 4" x 2 1/2" (133 x 102 x 63 mm) 2 Acrylic risers that each measure approximately 6 1/2" x 4" x 3 1/2" (165 x 102 x 90 mm) 2 Acrylic risers that each measure approximately 7 1/4" x 4" x 4 1/2" (184 x 102 x 114 mm) One acrylic riser that measures approximately 1" (25 mm) sq One acrylic riser that measures approximately 2" (50 mm) sq